HP VS17 Series - Power Board

HP VS17 Service Manual
50
9.2.2 Power Board
No Power
Check AC line volt 110V or 220V
OK
Check AC line
Check the voltage of C904(+)
Check F901, bridge rectified circuit
Check start voltage for the pin3 of IC901
Check R912, R916, R918, IC901
Check the auxiliary voltage is between 10V-16V
Check IC901,T901
Check ZD901, D909
OK
Check D903, D907,
OK
NG
No power
NG
NG
OK
NG